Philco 42-390 manual 电路原理图.pdf

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1、I N S T R U C T I O N S F O R I N S T N L L I N G A N D O P E R A T I N G PHILG e%=gg A A/USICAL IAJSTRUMENT OF %UALITY FOR STANDARD BROADCAST, SHORT,WAVE AND FREQUENCY MODULATiON RECEPTION WITH ELECTRIC PUSH,BUTTON TUNING * RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 P H I L C O M O D E L 4 2 .

2、 3 9 0 Philco lvodel 42,390 is an ciqht.tnhc supcrhctcrod;,ne radio employing two Philco XXL tubes and thc new Philco XXFM tubc. It is designcd for opcration on an alternating current (A.C.) supply line. The line voitage and frcq,rcncy c,f tiris radio are marked on the nanle label inside of the cabi

3、net. Makc sure that these corrcspond rvith the powtr furnished your hone. If in doubt, check with your local power conlprny. This radio is dcsigncd to opcratc ovcr thrcc frequcncy rangcs as follous: 540 to 1720 kilocycles (Kc.) for broadcast reccption; a band spread rangc of 9 to 15.5 negacycles (Mc

4、.) for reception of American and Forcign short,wave stations; and a range of 42, to 50 megacycles for reception of tl.re new Frequency 4odulation (F.M.) stations. The scale is calibrated in kilocycles for the broadcast rangc, in mcgrcycles for the short wave range, and in station call numbers for th

5、e F.M. range. These numbers are par! of the call letters for all F.M. stations. 550 EnO 7$O 80n lo$0 lz0 1400 l7s trq MaLl lwrpl lwoR-l lwfl tBb?-i f-s*lf-F-M I r-lt-t n -r-t I-l -l _lt-.l t . l l l l l l f I l L l * l t - - = J T R E B L E - T U N I N G VOLUME BASS CONTRCL CONTROL TRE.BLE TUN ING C

6、ONTROL CONTROL INSTALLNTION After unpacking the radio, nrake sure all the tubes are pressed down firmly. The name label inside the cabinet will show the relative location of the tubes. The Loktal type tubes may be removcd for replacement by rocking them gently in their sockets until the ccnter L-rck

7、ing pin rs released. Neither outsidc aerial nor ground is necessary with this model. The improved Philco Built,in Broacicast and Short-Wavc Antenna Systern has been employed because of its special noisereducing properties and srtpcrior shortvrave pcrformance - all with phrgin convenience For maximum

8、 performance in steel reinforced buildings and other shielded locations a Philco outdoor antcnna is recommcnded. If standard broadcast and short.wave signals do not require an outdoor antennir, a special Philco Dipole Outdoor Aerial may be used a1one. This Philco Dipole Outdoor Acrial conne;ts in pl

9、ace of the F.M. Builtin Aerial. If an outdoor antenna is dcsired for broadcast, short,wave, and F.NI. reception, a transformer is supplied to be used in conjunction with the Philco Dipole Outdoor Aerial. This translormer is plugged into the socket frour which the F.M. loop connecting plug has bcen r

10、emoved. The transmission RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 P H I L C OM O D E L 4 2 . 3 9 0 line supplied wrth the Philco Dipoit Outdoor Aerial is then connectcd to the Red and Black terminals provided on thc transformer can for tl-ris purpose. If an outdoor antenna is desired for stan

11、dard broadcast and sirort,wave only, a Philco Outdoor Aerial rnay be connected to the Black teninal of the transformer can. The Philco Dipole Outdoor Aerjal (Part No. 45,2926), the transformcr (Part No. 76,1361), and the Phrlco Outdoor Aerial (Part No.40.6370), may be obtained from your Philco dcalc

12、r. A grounJ conncction is noL ircccsilry with eithcr installation. OPERNTION To operate the rudio, pu.1r thc prrLicular sclcctor button giving the servicc dcsired. This supplies power to the radio and illuminatcs the dial. The radio is turned ofl by pushing the OFF button. For tuning in the Broadcas

13、t Band, push thc button labeled BDCST. To tune in a station, tr.rrn the Volume Control to about one.half its total range and select the station by rotelinc the Trrnin. linob. For best reception, tunc in thc dcsircd stalion with the volume turned 1ow. This enables you to gct the crlct point ai whrch

14、the station comes in best. Then adjust the volurne to the desircd leve1 with the volume control. The tone rnay be adjnstcd by nc,ns , thc BASS and TREBLE controls. Turn the BASS Conirol countcr,clockrvise to cxtcnd tlrc hlss rrngc and give more dcpth of tone. Tuln rirc llEIJLE Co,rtrol cluckwi-c to

15、J tlrc trchlc range and give mo:c brilliance of tone. When a rcduction in b.rckground noise is desired on distant or short.wave stations, rotate the treble control in a counter.clockwise directiun. For tuning in the Short,Wave Birnd, push the corre sponding button, then proceed the same as tuning on

16、 the Broadcast Band. The band sprcad enables you to tune short.wave more easiiy. Short.wave statiolts arc receivcd on the various scctions of the dial according to the follow ing gcncral tinre schedrrlc: lvforning - ll.7.lZ.0 mc.; 1.5.0,1.5.5 mc. Afternoon - 9.5.10.S mc.; 11.7,12.0 mc. Night - 9.5,1

17、0.8 mc. Turning the loop inside the cabinet will cause a variation in the volume of reception on wcak stations. This same directional property rvil1 also cause an additional reduction in noise interference in many cases. For maximr.rm perfr-rrmance turn the loop until best reception is obtaincd. Thi

18、s position may vary for dillerent stations. For F.M. reccption, push the button markcd F.N. and selcct a station by tuning near the number on the dial corrcsponding to the desired station call number. The tuning of an F.M. station is inherently broad and for best results it is necessary to tune the

19、set accurately in the micldle of the received signal. Any other sctting such as points off to the side of the correct sctting mty result in distortion and rvil1 not givc the purity of tone and freedom from noise for which the sct is designcd. ELECTRIC PUSH,BUTTON TUNING When your set is installed, y

20、our Philco dealer will adjust the radio to your favorite broad cast stations and rvi11 ir.rscrt their call lctters above the station buttons. To tune tl-re set with the Push Buttons, simply push the button below the desired station call letters and your station v,i11 bc tuned instantly. The volume a

21、nd tone of the program may be controlled qith the VOLUME, BASS, a,nd TREBLE Controls. This set has bccr-r dcsigned to reccive ihe sound of a television program tuncd in by the special type Philco Television Set designed for this purpose. If at any time it is desired to use this Television sound, you

22、r Philco Dealer will make the necessary adjustments on the push button labelcd Te1evision. This button may also be used for playing of phonograph records rom a Philco Wireless Record Plaver. RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 P H I L C OM O D E L + ) . 3 9 0 If at any time it is desired

23、 to substitutc any sta-tion received wc11 in your locality for a station appearing on the call lcttcr panel, cons,.rlt your Philco dcaler and have him make the necessary adjustments. Ntr-b (w*_ Lool; for this lintblem i,n 11our N cishborhooil SERVICE For the cor-tvcnience of a1l raclio owncrs, Philc

24、o has cicvclopcd a plan for pronpt, ellicient radio strvicc in every locality. This plan is known as Radio Nlanufacturcrs Scrvicc. Thcrc is a rtcnlbcr in yotrr neigliborhood - l-ris shop or store can bc idcntiicd by thc cnhlctn shown irerc. To make sure of guarantecd rvork, gctrLtinc Phrlco ttLbcs a

25、nd plrts, and stirndard priccs - call a mc:nbc. of lladio Matrrtfacturers Scrvice. u/ARRANTY fic t.nrratrL ca4h neto Iluil.co liolio l)ce:itcr anl Stnl;cr to be free front dcfccts in nwtnial qlui zoori;ttuttts,tip utul.t.r nornLa.L ust ard srricr, orrr oltiitrrtiut tL)t(lcr tlris lcdrrQrLt.tt btitry

26、 lintiLcd to nLqlihLg gorxl aL our lcltot antt ?art or IxarLs tltertof ulti,clt sltaLl, rci.lltirt nincta (90) ddts qitcr dclittcrlt o,f suclu Ikcc:ttr to tlte oritltnal tctail lmrc!iu:tt, bc rcturnc(l to ourd,cpot rctilL traflslottatiql clLatlios lrcpaicl, qnd uhich otn etqlrinqtion sltqll disclosc

27、 to alLr saLisiacli.on to lwta bccn tlms d(ftctixe.; tiris uananta bril(t ttlrtssll1 itt ltcLt ol uil otlt.tr uqtrairtics t-:tptrssed or intplicd, attI of alL otht:t ob.iLtatians or Iit:tiiiLL,t tt our ?att, qn(, rcc m|ilhcr essurc nor cutltartze anu raplas.n!4tite or olltcr lcrsm to usuJtla for u q

28、i:1l oilLt t iiu.ltlii13 ill co11i1.cLlon ritlu tlrc salc oJ Ilcccit,crs or Szcalrcrs. Tl, s ttltitrtit.l :loil ,iictl, qti,ltt to ut, I.tccir:cr or Sncal;ct ttlLich sltull ltaue been rewircl or alterad otltcr tlw.tt l)! lts it1 dtru lrtltt ro a.j, ill our judlJt,Lr.nt, to qi(ct ils sta.btLity or rc

29、liabilitU, nqr whiclv ltas btcn stLbicct,o ,1isirs., 1L!Jli1J(:r(t: or acr:i,1.cttl, nor u:kicL iLas lwtl tha scial nutttbcr altetccl, cllqcql or rntourtl- Nt,jJ/trr r;.cll tl:is trt:rrc:tttJ q?lltl to arLlt rcecizcr or spcal;cr blticlu lws bcen conllcct!)d otlLeN uise than im accotdanca utUt tne LlLstructtorLa !unti;ltaI btt us. Part No. 39-7202 -5Y2-2-9-42lri|tcd iI U. S. A RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库